... cut into various shapes;3, heat insulation, sound insulation properties, can be used as heat insulation materials;4, felt layer closely, porosity ... mechanical, electrical, chemical, cement, metallurgy, oil fields and other industries, such as stainless steel, cable, marble polishing; aircraft, automobiles, ... 41.Wool felt for handcraft HEBEI HUA REN FELT CO.,LTD ,as a factory ,export all kinds of felts. ...